Convergent Technologies Pentra-Sil 244+

Pentra®-Sil (244+) is a premium hardener, densifier and sealer with hydrophobic properties ideal for protecting concrete and masonry surfaces against the damage of winddriven rain, freeze-thaw, moisture, and chloride ion intrusion. Combines the benefits of lithium silicate densification with reactive silicone chemistry to meet the NCHRP 244 standard for chloride protection of concrete in a single application.